Home / 33,177.66-45,770.64-21,832.56

Finding the Fourth Proportional to 33,177.66, 45,770.64 and 21,832.56

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Solution

The fourth proportional to 33,177.66, 45,770.64 and 21,832.56 is: 30,119.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,177.66 : 45,770.64 = 21,832.56 : x
  2. Step 2: Convert to fraction form
    33,177.66/45,770.64 = 21,832.56/x
  3. Step 3: Cross multiply
    33,177.66x = 45,770.64 × 21,832.56
  4. Step 4: Simplify right side
    33,177.66x = 999,290,244.04
  5. Step 5: Solve for x
    x = 999,290,244.04/33,177.66
  6. Step 6: Final answer
    x = 30,119.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.